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Identification of eight pathogenic microorganisms by single concentration-dependent multicolor carbon dots

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Abstract

The identification of pathogenic microorganisms is crucial to human health and industrial development, however, traditional culture-based methods are laborious and time consuming. We developed a novel method for the identification of pathogenic microorganisms based on single concentration-dependent carbon dots (CDs). The CDs were synthesized using a microwave heating approach without any complicated purification processes and the PL emission wavelength of the CDs could be tuned only by changing the concentration of the solution. The concentration-dependent CDs were applied for multicolor bioimaging and identification of eight kinds of microorganisms within minutes using different fluorescence spectra. This work provides a new approach for the detection of multiplex targets in real samples and lays a foundation for food safety monitoring.

Graphical abstract: Identification of eight pathogenic microorganisms by single concentration-dependent multicolor carbon dots

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Supplementary files

Article information


Submitted
30 Mar 2020
Accepted
09 Jun 2020
First published
10 Jun 2020

J. Mater. Chem. B, 2020, Advance Article
Article type
Paper

Identification of eight pathogenic microorganisms by single concentration-dependent multicolor carbon dots

S. Wang, Y. Zhang, P. Zhuo, Q. Hu, Z. Chen and L. Zhou, J. Mater. Chem. B, 2020, Advance Article , DOI: 10.1039/D0TB00834F

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